. >> some visitors celebrating their 15th anniversary got a taste of the city they just left jie. expecting honey. it was supposed to be our wedding anniversary, and here we are like in weather just like chicago. >> to get out of the 39-degree cold, some folks jumped in 104-degree water at the calistoga hot springs. >> you get cold when you step out and then get hot when you get back in and it is good for you. >> walking back into the cold is the hard part. in calistoga, john alston, abc news. >> check this out from in mendocino county. it has been shutdown due to snow and traffic related collisions. this picture also from cal trans is on highway 20. in the sierra chains ar required at 3200 feet for drivers on i-80. there is a winter storm warning that lasts overnight in the tahoe region. elevation above 7,000 feet and expect 1 to two feet of snow by tomorrow. >>> it is not just in the bay area, but much of the united states is covered in ice and snow especially in the south and midwest. four people have been killed on u.s. roads since the storm hit yesterday. schools and business